Remove support for "loads and stores to global vars through property cell shortcuts inst…

src/crankshaft/x64/lithium-codegen-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/crankshaft/x64/lithium-codegen-x64.h"
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 2761 matching lines @@
 
   __ Move(LoadDescriptor::NameRegister(), instr->name());
   EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   Handle<Code> ic =
       CodeFactory::LoadICInOptimizedCode(isolate(), instr->typeof_mode(),
                                          SLOPPY, PREMONOMORPHIC).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
-void LCodeGen::DoLoadGlobalViaContext(LLoadGlobalViaContext* instr) {
-  DCHECK(ToRegister(instr->context()).is(rsi));
-  DCHECK(ToRegister(instr->result()).is(rax));
-  int const slot = instr->slot_index();
-  int const depth = instr->depth();
-  if (depth <= LoadGlobalViaContextStub::kMaximumDepth) {
-    __ Set(LoadGlobalViaContextDescriptor::SlotRegister(), slot);
-    Handle<Code> stub =
-        CodeFactory::LoadGlobalViaContext(isolate(), depth).code();
-    CallCode(stub, RelocInfo::CODE_TARGET, instr);
-  } else {
-    __ Push(Smi::FromInt(slot));
-    __ CallRuntime(Runtime::kLoadGlobalViaContext, 1);
-  }
-}
-
-
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ movp(result, ContextOperand(context, instr->slot_index()));
   if (instr->hydrogen()->RequiresHoleCheck()) {
     __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
     if (instr->hydrogen()->DeoptimizesOnHole()) {
       DeoptimizeIf(equal, instr, Deoptimizer::kHole);
     } else {
       Label is_not_hole;
@@ skipping 1319 matching lines @@
   }
 
   __ Move(StoreDescriptor::NameRegister(), instr->hydrogen()->name());
   Handle<Code> ic = CodeFactory::StoreICInOptimizedCode(
                         isolate(), instr->language_mode(),
                         instr->hydrogen()->initialization_state()).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
-void LCodeGen::DoStoreGlobalViaContext(LStoreGlobalViaContext* instr) {
-  DCHECK(ToRegister(instr->context()).is(rsi));
-  DCHECK(ToRegister(instr->value())
-             .is(StoreGlobalViaContextDescriptor::ValueRegister()));
-  int const slot = instr->slot_index();
-  int const depth = instr->depth();
-  if (depth <= StoreGlobalViaContextStub::kMaximumDepth) {
-    __ Set(StoreGlobalViaContextDescriptor::SlotRegister(), slot);
-    Handle<Code> stub = CodeFactory::StoreGlobalViaContext(
-                            isolate(), depth, instr->language_mode())
-                            .code();
-    CallCode(stub, RelocInfo::CODE_TARGET, instr);
-  } else {
-    __ Push(Smi::FromInt(slot));
-    __ Push(StoreGlobalViaContextDescriptor::ValueRegister());
-    __ CallRuntime(is_strict(instr->language_mode())
-                       ? Runtime::kStoreGlobalViaContext_Strict
-                       : Runtime::kStoreGlobalViaContext_Sloppy,
-                   2);
-  }
-}
-
-
 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
   Representation representation = instr->hydrogen()->length()->representation();
   DCHECK(representation.Equals(instr->hydrogen()->index()->representation()));
   DCHECK(representation.IsSmiOrInteger32());
 
   Condition cc = instr->hydrogen()->allow_equality() ? below : below_equal;
   if (instr->length()->IsConstantOperand()) {
     int32_t length = ToInteger32(LConstantOperand::cast(instr->length()));
     Register index = ToRegister(instr->index());
     if (representation.IsSmi()) {
@@ skipping 1733 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64